diff --git a/tf_config/fvp-spm-measured-boot b/tf_config/fvp-spm-measured-boot
index fb6c81e..5336a8f 100644
--- a/tf_config/fvp-spm-measured-boot
+++ b/tf_config/fvp-spm-measured-boot
@@ -10,3 +10,4 @@
 SP_LAYOUT_FILE=${tftf_root}/build/fvp/${bin_mode}/sp_layout.json
 MEASURED_BOOT=1
 USE_ROMLIB=1
+FVP_TRUSTED_SRAM_SIZE=384